Is it normal for root (/) to be at 100%

[doubleroll]

Is it normal for root (/) to be at 100% on AC66R router:
admin@RT-AC66R:/# df -k
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/root 24000 24000 0 100% /
tmpfs 119836 3860 115976 3% /tmp
devfs 119836 0 119836 0% /dev
admin@RT-AC66R:/#

 

[sinshiva]

Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/root                24896     24896         0 100% /
tmpfs                   119860      3016    116844   3% /tmp
devfs                   119860         0    119860   0% /dev
/dev/mtdblock4            6144       628      5516  10% /jffs
/dev/sda1             15211520   2017028  12421784  14% /tmp/mnt/sda1

checked on my n66r for fun; would appear so.

 

[doubleroll]

Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/root                24896     24896         0 100% /
tmpfs                   119860      3016    116844   3% /tmp
devfs                   119860         0    119860   0% /dev
/dev/mtdblock4            6144       628      5516  10% /jffs
/dev/sda1             15211520   2017028  12421784  14% /tmp/mnt/sda1

checked on my n66r for fun; would appear so.

Thanks for checking!

 

[RMerlin]

The firmware is flashed in a read-only area, so it will always be formatted to be just the exact size of the firmware.